...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4564915 | YIQ Computer graphics system A YIQ computer graphics system includes a data processing system having a data tablet for receiving inputs from an artist and a video processing system connected to the data processing system. The video processing system includes a two component expandabl... | 01/14/1986 |
| 4563739 | Inventory and business management system which accounts for the contents of full and partially filled product containers A computer based system is used for taking inventory and obtaining inventory reports on numerous products which are dispensed in full containers or in quantities from partially filled containers. Each container includes a unique code identifying the produ... | 01/07/1986 |
| 4561059 | Microprocessor controlled welding apparatus A microprocessor-controlled arc welding power supply is disclosed. A silicon controlled rectifier ("SCR") bank is used to generate a direct current arc welding current under program control. Positive sychronization is provided by the microprocessor using ... | 12/24/1985 |
| 4559597 | Three-dimensional time-of-flight positron emission camera system An improved sensitivity, multiple detector ring positron emission camera utilizing time-of-flight information to localize the position of a detected annihilation is disclosed. The annihilations detected along each cross-coincidence line between any detect... | 12/17/1985 |
| 4556949 | Three wave surface acoustic wave (SAW) signal processor A surface acoustic wave processor capable of performing convolution, correlation, time expansion/compression, and time reversal utilizes the nonlinear interaction between two input surface waves to generate a third surface wave. Phase matching for the thi... | 12/03/1985 |
| 4555758 | Method and apparatus for controlling the acceleration and deceleration of a movable element without abrupt changes in motion A method and apparatus for controlling the acceleration of the frequency at the beginning of a pulse train and the frequency at the end of the pulse train, so that a movable element with little rigidity, such as a robot arm, can be started and stopped smo... | 11/26/1985 |
| 4554638 | Display device including apparatus for rotating the image to be displayed Picture information is stored in a plurality of memory chips arranged in a matrix fashion at a plurality of randomly accessible addresses. The memory chips are accessed by both a chip select signal, formed from a combination of a picture information displ... | 11/19/1985 |
| 4553202 | User controlled dialog resource switching in a multi-tasking word processor User actuates real time resource reallocation in a multi-tasking environment wherein the operating system builds a process queue against a resource and wherein a new task is interrupt invoked with the dispatcher allocating the resource to the next task in... | 11/12/1985 |
| 4551817 | Device for detecting center position of two-dimensionally distributed data A device capable of obtaining, without data scanning by a computer, information of the center position and, if desired the total sum of two-dimensionally distributed data generated as outputs from a matrix of sensors arranged along X- and Y-axes. The devi... | 11/05/1985 |
| 4549261 | Hybrid analog control structure A control system having the structure of a loop controls the shaft angular position of a motor driving a load in the situation wherein the inertia of the load, as referred back to the rotational axis of the motor, is variable. The system includes a comput... | 10/22/1985 |
| 4547851 | Integrated interactive restaurant communication method for food and entertainment processing An interactive restaurant communication system (10) provides integrated food and entertainment processing which enables restaurant patrons to accomplish both food selection and select and receive entertainment on a common video monitor (56) at their table... | 10/15/1985 |
| 4547854 | Method of controlling lineup of tools in numerical control machine tool The machining to be achieved is classified in accordance with the machining shape into a plurality of machining units. A tool combination memory stores tool combination lines each containing an array of tool information in the sequence of use in each mach... | 10/15/1985 |
| 4543636 | Numerically controlled machine tool system capable of setting up tools into tool magazine A numerically controlled machine tool system having a tool transfer device which, with a change in the kind of workpieces to be machined in a numerically controlled machine tool, operates to replace successively unnecessary dedicated tools in a tool magaz... | 09/24/1985 |
| 4541068 | Reducing noise in introducing bias charge into charge transfer devices A bias charge (commonly known as a "fat zero") is divided into a plurality, n, of equal parts. These equal parts are differentially delayed, and the results appearing parallel in time are summed to generate a bias charge with reduced noise. The reduced-no... | 09/10/1985 |
| 4539634 | Modification of machining program in a numerical control machine tool A numerical control machine tool is adapted to operate in accordance with a machining program stored in a memory. The numerical control machine tool is provided with a program amendment command means capable of outputting a program amendment command. When... | 09/03/1985 |
| 4539651 | Optical correlator An optical correlator having a series of optical elements necessary for providing the comparison or correlation of incoming optical signals and for providing a readout beam representive of the correlation between the input signals; and a detection system ... | 09/03/1985 |
| 4538233 | Apparatus and method for oscillatory motion control An apparatus and method are provided for controlling the motion of a point associated with a function element carried by a machine. The motion describes an oscillatory pattern in a selectable plane through a path between two positions defined by input sig... | 08/27/1985 |
| 4538239 | High-speed multiplier for microcomputer used in digital signal processing system A system for real-time digital signal processing employs a single-chip mircocomputer device having separate on-chip program ROM and data RAM, with separate address and data paths for program and data. An external program address bus allows off-chip progra... | 08/27/1985 |
| 4538227 | Medical image processor An image processor which can accurately and promptly obtain information about a ventricle of a living body, such as the boundary diagram, the volume, the centroid movement view and a three-dimensional view. An X-ray projection of a part to be diagnosed is... | 08/27/1985 |
| 4534012 | Portable programmable information device and external programming station A small-sized portable information system is provided including a small-sized portable information device and an external station. Both the external station and the portable information device are provided with a central processing unit, a memory device, ... | 08/06/1985 |
| 4533990 | Computer process control system A computer process control system includes at least one control section which is housed in a case and connected to a detection terminal and which automatically produces an operation signal for compensating for a difference between a process variable and a... | 08/06/1985 |
| 4532603 | Chirp transform correlator A chirp transform correlator having asynchronous operation is made possible by the use of a pair of paralleled signal processing channels to which the unknown signal to be correlated is applied. The two channels include sweeping local oscillators which ar... | 07/30/1985 |
| 4532586 | Digital data processing system with tripartite description-based addressing multi-level microcode control, and multi-level stacks A digital computer system in which data storage is referred to by a descriptor comprising an object number denoting a variable-length block of storage, an offset indicating how far into that block a desired data item begins, and a length field denoting th... | 07/30/1985 |
| 4531192 | Apparatus and method for sensing a workpiece with an electrical arc Apparatus and method for sensing the topography of a workpiece with an electrical arc by measuring a parameter of the electrical arc signal as an electrode is scanned across the surface of the workpiece by a tool manipulator such as a multi-axis robot arm... | 07/23/1985 |
| 4531195 | Polychromatic time-integrating optical processor for high-speed ambiguity processing A signal processor for generating the ambiguity integral using a modulatable, broadband, incoherent light source, a multiplicity of acousto-optic cells and diffraction gratings, and a two-dimensional time-integrating photodetector array. The various color... | 07/23/1985 |
| 4531197 | Real-time Fourier transformer using one acousto-optical cell An optical Fourier transformer comprising an acousto-optical cell such as a Bragg cell upon which is impressed a chirp signal, a laser which is modulated by the signal to be analyzed, optical means for dividing the laser beam into two beams which strike o... | 07/23/1985 |
| 4531196 | Real-time Fourier transformer using one acousto-optical cell An optical Fourier transformer comprising a laser which is modulated by the signal to be analyzed, a beam splitter for dividing the beam into two beams which are directed by optical means to opposite sides of a Bragg cell with the corresponding rays in th... | 07/23/1985 |
| 4530065 | Hybrid digital-analog measurement and control system A measurement and control system including a digital computer, a digital to analog converter for providing an analog data signal from digital data from the computer, a command sample and hold for holding the data analog signal as a control command signal,... | 07/16/1985 |
| 4530069 | Expandable data communication system utilizing hand-held terminal A portable, hand-held microprocessor-based terminal forms the heart of an expandable data communication system having an architecture configured so that a variety of peripheral devices can communicate directly with the microprocessor in the portable termi... | 07/16/1985 |
| 4528633 | Method of controlling indexing of magazine pockets in machining center A method of controlling the indexing of magazine pockets in a machining center. The tools used in a current machining program are compared with the tools to be employed in the next machining program. When there are tools used in both programs, the pocket ... | 07/09/1985 |
| 4527270 | Communications network with stations that detect and automatically bypass faults A communication network suitable for industrial environments includes a set of stations which are linked together by a primary ring which conveys data in one direction around the ring and a secondary ring which conveys data in the other direction. The int... | 07/02/1985 |
| 4525785 | Electronic postage meter having plural computing system An electronic postal meter has a control unit, an accounting unit and a printing unit, each incorporating a CPU having a separate crystal controlled clock. Communication between the units is serial character asynchronous, bit synchronous, in message form,... | 06/25/1985 |
| 4524425 | High-pass filter of the first order and application thereof to telephony A sampled first order high pass filter having a configuration that eliminates the output offset voltage normally associated with known filters of this general type. It is constructed according to the diagram of the accompanying figure with two operational... | 06/18/1985 |
| 4523278 | Method of automatic detection of cells and determination of cell features from cytological smear preparations A method and system for automatic detection of cells and determination of cell features from cytological smear preparations which can recognize cells and extract their features independently of known visual cell descriptions through digital classification... | 06/11/1985 |
| 4523293 | Two-dimensional bulk acoustic wave correlator-convolver A two-dimensional bulk acoustic wave correlator-convolver having an acoustic mirror positioned two focal lengths from an integrated circuit-acoustic transducer array. The image, rather than the Fourier transform, of the input spatial distribution is retur... | 06/11/1985 |
| 4520445 | Method of determining the position and velocity of a vehicle Apparatus for determining the position and velocity of a vehicle over a given area as represented by stored data includes a radar terrain sensor responding to radar pulse returns and generating video signals to a terrain clearance estimator. Also input to... | 05/28/1985 |
| 4520446 | Apparatus for controlling a plurality of stud tensioning devices An apparatus for automating the operation of a plurality of stud tensioning devices. A central control unit outputs a sequence of control signals, each of the control signals indicating an operative step to be completed by the stud tensioning devices. The... | 05/28/1985 |
| 4519076 | Memory core testing system A means for testing the threshold voltage changes in a programmable and erasable floating gate memory cell by accessing directly and exclusively the cells in the core, and the amplifiers that sense the operation of the cells, so as to measure the relative... | 05/21/1985 |
| 4514820 | Apparatus for generating trapezoidal signals over a single conductor coaxial bus A high speed link controller (HSLC) and a number of work stations are coupled in common to a single conductor coaxial cable. Apparatus generates data signals at high speed for transfer of information between the link controller and the work stations with ... | 04/30/1985 |
| 4514821 | Electro-optical CCD transversal filter with analog reference weights The respective pixel stages of an electro-optical transversal filter may be intimately associated with corresponding stages of a CCD shift register means in a monolithic structure on an integrated chip. The shift register means, which operates to forward ... | 04/30/1985 |